N-methyl dimethyl-1,4 diepoxy-1,8a:4,4a ethano-5,8 octahydro-1,2,3,4,4a,5,8,8a naphtalene dicarboximide-9,10 syn

N-甲基丁二酰胺

3,7,10-trimethyl-(1H,3H,7H,10H)-pyrimido[5-4-g]pteridine-2,4,6,8-tetrone

2,6-dimethyl-octahydro-4,8-etheno-pyrrolo[3',4':3,4]cyclobuta[1,2-f]isoindole-1,3,5,7-tetraone